These are the asteroids to worry about

funny rock lmao

The funny rock is living in your walls

Haha funni rock

Rock go brrrrrrrrr

Bruh.

It's like telling someone on a plane who's afraid of flying how much more likely they are to die in a car crash. Either way, it's fun for the person explaining it!

@joseph ka Hit the road, pal.

​@joseph ka If your church considers the guy who supported and protected a global network of child molesters a "true"leader, then I'll happily take my place in Hell. I bet they have great rock and metal concerts down there. Also, the Antichrist creating peace in Israel? Hell yeah! (hope you'll pardon the pun)

We got a winner yesterday for the most emotional moment in HIMYM. But as usual, we are going to have a final poll between 2nd and 3rd place in order to make up for unlucky tournament placements.
The candidates are:
Never-Ending Second vs. You're all alone

I seek refuge with God from expelled satan
Holy Qur'an Chapter 67 - The Dominion
16. Have ye taken security from Him Who is in the heaven that He will not cause the earth to swallow you when lo! it is convulsed?
17. Or have ye taken security from Him Who is in the heaven that He will not let loose on you a hurricane which flings rocks? But ye shall know the manner of My warning.
18. And verily those before them denied, then (see) the manner of My wrath (with them)!
Chapter 16 - The Honey Bee
45. Are they who plan ill deeds then secure that Allah will not cause the earth to swallow them, or that the doom will not come on them whence they know not?
46. Or that He will not seize them in their going to and fro that there be no escape for them?
47. Or that He will not seize them with a gradual wasting? Lo! thy Lord is indeed Full of Pity, Merciful!
48. Have they not observed all thing that Allah hath created, how their shadows incline to the right and to the left, making prostration unto Allah, and they are lowly?
49. And unto Allah maketh prostration whatsoever is in the heavens and whatsoever is in the earth of living creatures, and the angels (also), and they are not proud
50. They fear their Lord above them, and do what they are hidden.
51. Allah hath said: Choose not two gods. There is only One God. So of Me, Me only, be in awe.
52. Unto Him belongeth whatsoever is in the heavens and the earth, and religion is His for ever. Will ye then fear any other than Allah?
53. And whatever of comfort ye enjoy, it is from Allah. Then, when misfortune reacheth you, unto Him ye cry for help.
54. And afterward, when He hath rid you of the misfortune, behold! a set of you attribute partners to their Lord,
55. So as to deny that which We have given them. Then enjoy life (while ye may), for ye will come to know.
56. And they assign a portion of that which We have given them unto what they know not. By Allah! but ye will indeed be asked concerning (all) that ye used to invent.
Chapter 7 - The Place Between Heaven and Hell
96. And if the people of the township had believed and kept from evil, surely We should have opened for them, blessings from the sky and from the earth. But (unto every messenger) they gave the lie, and so We seized them on account of what they used to earn.
97. Are the people of the townships then secure from the coming of Our wrath, upon them as a night raid while they sleep?
98. Or are the people of the townships then secure from the coming of Our wrath upon them in the daytime while they play?
99. Are they then secure from Allah's scheme? None deemeth himself secure from Allah's scheme save folk that perish.
100. Is it not an indication to those who inherit the land after its people (who thus reaped the consequence of evil doing) that, if We will, We can smite them for their sins and print upon their hearts so that they hear not?
101. Such were the townships. We relate some tidings of them unto thee (Muhammad). Their messengers verily came unto them with clear proofs (of Allah's Sovereignty), but they could not believe because they had before denied. Thus doth Allah print upon the hearts of disbelievers (that they hear not).
102. We found no (loyalty to any) covenant in most of them. Nay, most of them We found wrong doers
Chapter 11- Prophet Hood
77. And when Our messengers (angels in man shape) came unto Lot, he was distressed and knew not how to protect them. He said: This is a distressful day.
78. And his people came unto him, running towards him and before then they used to commit abominations He said: O my people! Here are my daughters! They are purer for you (to marry). Beware of Allah, and degrade me not in (the person of) my guests. Is there not among you any upright man?
79. They said: Well thou knowest that we have no right to thy daughters, and well thou knowest what we want.
80. He said: Would that I had strength to resist you or had some strong support (among you)!
81. (The messengers) said: O Lot! Lo! we are messengers of thy Lord; they shall not reach thee. So travel with thy people in a part of the night, and let not one of you turn round (all) save thy wife. Lo! that which smiteth them will smite her (also). Lo! their tryst is (for) the morning. Is not the morning nigh?
82. So when Our commandment came to pass We overthrew (that township) and rained upon it stones of clay, one after another,
83. Marked with fire in the providence of thy Lord (for the destruction of the wicked). And they are never far from the wrong-doers.

Same thought

This guy discovered Kuiper belt you know.

Brother think of asteroid having momentum equal to weight× gravity×speed will fall on earth as fire ball due to atmospheric friction.

@@vivekkapoor6937 I think you mean mass x velocity but yes it would be a lot of momentum

hij liegd alles aan elkaar! allemaal fake

Not a crater, it's a volcano.

@@rikellis7871 literally called the meteor Crater, idk what you want me to tell you

Eh, the Grand Canyon was much bigger

@@qualicumjack3906 yeah, but the Grand canyon is less terrifying than a meteor Crater because at any moment one of those could crash anywhere on earth.

@@DrKoneko
Thats not quite true

I know:)

Juptíer is largést giant gas.

Ohhhhh

NOT A FUN FACT.

@@vincentharris110 whys it not fun :(

fear mongering right?

🤣🤣🤣🤣🤣🤣

*works every time

@@MrEp5 I mean if that scares you you gotta grow up

@@Aztesticals No on the contrary. When this thing hits you wouldnt stand a chance anyway, so why worry in the first place. Just enjoy life as much as you can, while you can.

LMAO There is no truth to any of it .

Yeah he's usually pretty good putting it in layman's terms too.

@@garyryan7852WR You have absolutely zero clue what you are talking about. Keep replying on edited and out-of-context Instagram posts and other's horrible research to convince people that the Earth is flat. I don't know how you try to disprove this.

Asteroid Kessler Syndrome might be a thing.

correct he is such a schmuck@@nesquix926

Agree.

But it's false it's simple to send things to space. We also now have lasers that move at the speed of light which is incredible. We made some thing that can lead to advanced capabilities of viewing our nearest galaxy within the galaxy. Super excited

...
krplus.net/bidio/qJudrImMhaSsk6Q

No 20 commercial breaks and the same sentence repeated about a hundred times. What a time to live in!

@@bastienmillecam3183 Indeed

B Phoenix
They seemed like they were _always _*_kinda_* documentaries, but you do have a point!

think about that more carefully

Mankind is the greatest threat to life on Earth, not asteroids.

A nuke on Yellowstone would be one easy way to screw up the planet

@@kyle18934 This gonna be what caused the events of Pikmin

@@omarpikm2101 idk if people would realize it was a nuke first, 9r just a lot of lava/insanity

@@kyle18934 id bet that when people start to figure out how to make anti matter missals then we would die

Did they ever give us real factual information about the impact and how much it would move?

They changed the orbital periodnof the 2 bodies in relation to each other. Did they ever release any data on any changes in relation to Earth?
Doesn't matter what happens if it's still heading to Earth.

But. DART works if we know in advance we are going to be hit. The meteor that hit Russia we did not see coming..You cannot redirect of you do not see it coming..

Nope

@@nicolausteslaus lol, true tho

Make it a double DART. Asteroids travel in pairs, one being a decoy to distract us.

lmao

Trump: Let's make a wall in the sky.

1 megaton bomb has more than enough energy to blow up an 1 km asteroid. Asteroid Benu for example has 0.25 km radius, 78 000 000 000 kg mass and 0.2 m/s escape velocity can be blown apart with less than 1 ton of TNT!

@@amonal42 LOL! source?

@@icvetnic Nah, a magic sharpie will be enough to fix it.
"This asteroid is a Democrat hoax!", while the sky is literally on fire.

hope they got a raise.

Underated comment

He should make a KRplus channel

He has held breath more than actors in nemo

@@skairymgaming2184 i bet he's working for nasa and he records the astroids and nasa has a time machine since they recorded the dino's death day

plasma buddy .

Yeah, falling at 60,000 kmph!

That's when you realize that the "velocity SQUARED" component of kinetic energy starts to get seriously ridiculous at very high speeds. And the law of conservation of energy states that if you are slowing down, that energy has to go SOMEWHERE. And if you slow down all of a sudden, well you get the energy all of a sudden too :)

Yeah that was pretty crazy to think about

and when it hits, its back end will still be several kilometers in the sky.

And scaring us

nool

yeah my guy watched Jurassic World and decided to buy a T-rex head

Mizuhara

You know being smart doesn’t mean you’re a nerd, right?

The fact that we don't have a rocket that could deflect an asteroid, but plain old photons could, is quite funny to think about.

I also find it weird that Space X haven’t mentioned this with their ‘Occupy Mars’ goal. If it’s difficult for us to detect from Earth, surely Mars is even more difficult? Imagine investing all that money only for your colony to be wiped out by an asteroid before it gets fully going.

I didn't get how the foil thing (unrealistic as it is to begin with) would do anything to a spinning asteroid of fairly uniform composition. Maybe it's spinning VERY slowly (days) and then we'd have to only wrap (the correct) half of it? Lmao ok. I'm ok with asteroid catastrophe anyway tbh.

@@Vote_By_Mail it'd be constantly pushed away from the sun by photons from the sun. doesn't matter if you have to wrap the whole thing, sunlight is still only coming from one side

@@sighfly2928 it'd be more likely for mars's violent atmosphere to destroy a colony than an asteroid

press freedom has gone too far. violating the laws of spacetime is only the beginning

ROFL

I'm gonna have to make one from cement

Update: It hasn’t happened tomorrow yet
I’m coming back every day to update this comment

@@connieprude3386 good luck

He also discovered the Kuiper Belt! Not only is he a badass, he's a damn legend.

The queen of England is older

isn't the sun older tho or even the other stars in the sky

I almost thought he was talking about himself for a minute, then I remember how old the universe is.

@@divine308 not every atoms, the universe is infinitely expanding creating new atoms and it’s probably rare that the original atoms are us

@@jaydenkong2283 no the universe is expanding but atoms arent being created. More like they are just moving apart. atoms being created breaks just about all of our laws of physics more specifically thermodynamics

Yep look at the dinosaurs 🦕 🤣 😀 😄 😧☠

@@owenhalverson9119 what

The dinosaurs got hit with a meteorite and all died but that meteorite was like 6 miles wide hopefully we can detect something that big before it gets to close

@@owenhalverson9119 They also said that they couldn't alter its trajectory which means it would hit the planet but you would know about it beforehand which would be rather upsetting. Best not to know.

Yes we could all die from old age disease car crashes or get crushed by a giant meteor

XD lol

Whats the back

This comment is so underrated

Haha nice one

the classic madara

Thats what I was thinking… If the roads are blocked then any reasonable person would simply start walking. A few days is more than enough time to make it out of a city on foot

You should have gotten the lesson, start living undersea, or in a cave. The people in Coober Pedy Australia might look ancient, but they are prepared for the future! Even though it also gets frikking hot in central Australia.

Idea of how to stop an asteroid:
Step 1: Grab a man
Step 2: Grab a nuke
Step 3: Grab a gun
Step 4: launch that man onto the asteroid
Step 5: Try placing the nuke in the middle of the asteroid
Step 6: Sacrifice yourself And explode the nuke
Step 7: Build a statue of that man and praise the statue of the hero

Yeah, but when Stephen Hawking says an asteroid "is the greatest threat to human existence", I listen!

@@Mr.Memers this is not a movie reference.

@@prima808 nah us killing ourselves is the most dangerous threat to our existence. We have so many ways to get rid of astroids that its not a big deal.

He’s either a supervillain or the coolest grandpa/family relative

I remember a few years ago, I got to go to a friend's house, and his parents were archeologists, it's probably the craziest house I've ever been to.
It was a flat of 3 floors, the basement was full of meteorites of all sizes, some with the size of a tennis ball, some with the size of a chair, and let me tell you they were heavy, they needed a crane to carry those. Then they had the entire house filled with different artifacts (coins, masks, etc.) and... someone skeleton in the living room that they were studying.
Yep, quite an interesting house.

Aaron López That's so cool! I wish I had those parents.

He discovered the Kuiper belt too

@@cameronscanlan1620 what's his name ?

What we're going to do about it is getting rip

Yes that is the best thing you could ever do THEY ARE INVINCIBLE

Fast as cheetas

They don't need air

Yes.

xDDDD

and he almost tossed it like a baseball loll

Ah yes, one of the best things you can flex

And the fact that he puts flower pots in a trex skull...

@@etan... that is not a real t-rex skull, right?

Glad to find you here Mr GK 😀

are you really ready for flash to go bye bye?

No. No I don’t think you are

Congrats on getting a lot of likes!

"Now if you're concerned about the world ending..."
Actually I am hoping for it.

Shut up

@@lowt1ier_ongod1021 no u

bruh

Jupiter is the oldest child being a punching bag

I heard that Jupiter gravitational pull is strong and pulls most asteroids

Yeah, like when 2 Shyam named people say Hello to each other.
Also don't start with double quotation and end with single.😂

@@shyam.upadhyay The lack of second quotation mark is a metaphor for "not really an end".

@@S.... Oh! Nice👍🏻

Normal day in Russia

"A normal day in russia."

@@luzgomez4639 you have a good point

@ッyoitzpat "bruh PhewwwwwPhewwww just said that"

@@auliaakbar4197 Bruh PhewwwPhewe just said that

That would be cool

"It doesn't hit Earth"
*"Hopeful Laughter"*

@@Utilisateur8855 "its radioactive and 'Melts' earth"

@@bananaknife3504 hopeless crying laughter

"It can destroy the earth even if it is at the other half "
Hopeless cries

it wont happen.
BIG bro China has our back.
Right? Wuhan propulsion lab?

At the beginning of this video, where did those asteriods fall??? You are not paying attention. No idea where the Eiffel Tower or Russia are on the map???

@Jasper it's the bee from bee movie hahaha I loved that movie
"here comes the sun dun dun dun du"

The west is the best GOTT MITT UNS

@@PinkLemonz416 The asteroid was as heavy as the Eiffel tower, it did not land near the eiffel tower, listen properly.

@Jasper the bee movie
*YoU LiKE JazZ?*

love it when the caveman solution works perfectly

Yes

I listened to this guy in my egg chair for so long I produced enough heat to soft boil it

I know that sippy cup he has on the sill.

Nanu-Nanu.

I agree

haha tru tru
Humans too.. we have nothing to fear but fear itself
So our egos... hurting each other and hence risking going back to the dark ages.. no thankyou !
Go NASA ! go humanity

@@goldnutter412 oh boy, you are still on the shallow water of the existentialism iceberg

Probably a kurzgesagt: in a nutshell video

We've put in low-probability events regularly in designing things, ie. earthquakes (normally for 2500 years return period), winds (from 300 up to 3000 years return period), we've even started to protect against tsunamis (or at least the Japanese are trying). I wonder what kind of asteroid sizes falls into those occurency.

Well it's 2020

You're already dealing with a 1-in-a-100million+ event; your other "tiny percentage" things start goin out the window.

Not only one Tsunami, but multiple. If an asteroid impact the ocean, it will create a "Hole" where there is no water, which is the first tsunami, then water will rush in to fill the hole, causing a bulge in the center so high that when it falls back down, it will create another tsunami, this, however won't create a hole, but it will create a depression in water lever where water will rush back in, causing another bulge, less high every time. So we can count on at least 3-5 tsunamis in a row, with olny a few hours in between. Each tsunami will be less high and powerfull than it's predecessor, but even the last one will make the one that hit japan and the one that hit indonesia a couple of years back look like ripples.

Still have about a month.

That’s a lot of days for 2020 to plan something evil :(

2020: haha asteroid go boom

@@aliasgerchallawala4582 lmao underrated

2020 isn't over yet. Anything could happen.

The complete sentence would be: well when the asteroid is a problem, we'll figure it out then how to spend the trillions USD required to stop it. It is all about money and resources that would have to be spent and might not be needed for millions of years. Although smaller impacts do happen more frequently.

@@pavel9652 just a joke buddy! But yes the actual logistics involved are extremely complicated.

@@pavel9652 its a joke man! I understand the reason they are putting asteroid defense on the back burner. Like you said the logistics would be expensive and taxing for any government. And being proactive is not Our (humans) strong suite.

​@@richiel5557 No worries! ;) There are tons of demanding comments questioning the science and scientists on the internet these days, so I just try to address the misconceptions as I see them ;)

And maybe if it's too late then, the excuse "The dog ate my research" will still work.

to be honest you are not the only one but trading paved the way for me two years ago

Trade? please can i get more information about this?

Crypto trading is a digital currency investment that can bring you good profits over time. I would recommend Joseph Sabatier met him in Florida and my life just wasn't quite the same

I have heard so much about crypto trading and seen so many people that it has changed their life. I had to invest in it too, so I have something to fall back on in case I lose my job

oh come on, he doesn't need much publicity because he's made a name for himself. I want to say that John Joseph is not a new name in the market. I especially enjoy trading stocks with him.

There is one Kurtegerzal in a nutshell. Analyzed the impact - very well made

@@jinx.love.you. kurzgesegt*

@@jinx.love.you.
Kurzgesagt is a bs bill gates propaganda

@Gmail X wtf? No, very much not. You really pulled that out of your ass. And you managed to misspell too, well done dimwit!

Spacex and I am here to save you all

@@elonmusk352 you just wanna send a million of us to Mars. How much did you pay Veritasium to make a video that life on earth is doomed?

It's more like "If you're worried about this unlikely to occur terrible thing that we have no control over, here are a thousand likely to occur terrible things that we do have control over".

@Gmail X no, the chance of dying from COVID is far higher

LMAO

This is totally Elon Musk's calling, he would be all over it.

he will make it handheld

@@interestingyoutubechannel1 Did you just called me?

Hold my rocket engine

risk mitigation is the entire point of civilization

ikr?

Yeah ur right

@Timothy Martin and irradiate the prices that fall to earth in many chunks

And people are freaking out about global warming. There’s bigger things to worry about

Same mr beat

_Softly_ don't

Right? I have my baseball bat ready to whack that bad boy back into outer space.

Shut it... I suspect 2020 is taking suggestions.

Lmao

They already sent down the monolith 5 years ago... Maybe if the dolphins start to disappear...

A mass driver! That's somrthing that we've been theorizing about for a while.

Lmao

You know what's more Funny, We're more prepared to get killed by Humans then the Real Dangerous Phenomenas in the Universe which can wipe out Humanity😂
I mean we can't save ourselves from Corona Virus which is originated in China and we boast that we have Intelligence agencies and Nukes😂😂

@@angryyoungman4389 Indeed!

Aliens may have designed a Trueman Show for themselves and made us as participants😂, Now we have to rise from this Capitalism Self Eating Snake and Killing each other. We have to Go outside Earth and Live in search of Actual Life.❤️

hahaha.. this one actually cracked me up :D ROFL

YES FROM A VIRUS FASISM AND A VAX THAT WILL CAUSE INFERTILITY
www.zerohedge.com/medical/ex-pfizer-exec-demands-eu-halt-covid-19-vaccine-studies-over-indefinite-infertility-and

@@narsreenjohnson4966 From wikipedia:
Zero Hedge or ZeroHedge is a far-right libertarian financial blog. Over time, Zero Hedge expanded into non-financial analysis, including conspiracy theories and fringe rhetoric that has been associated with the US radical right and a pro-Russian bias.

imarchello it never occurred to you to actually look at the contents of the article. Rather, you wiki the website for the spoon fed “truth”

Are these anti-vaxxer commenters Putin's bots or actual goddamn idiots?

@@BryanLee both, they just don't know they are either

2020: Christmas presents

krplus.net/bidio/oqaBiHmjnZjVcmE

Maybe this will get your attention. Space is fake.
globeterminator.com/no-vacuum-of-space/

Hey there twin brother

@@Joel-pl6lh Noice

Your profile picture made me think that there was a hair on my screen, and I spent like 2 minutes trying to get it off.

This is why I use dark mode

@@colinsmith407 It's hard to believe one would be dumb enough to spend 2 minutes trying to get a virtual hair off his screen.

_"Asteroid, no asteroiding!"_
The Asteroid: _Understandable have a good day._
*proceeds to U-turn*

@@mashihodpotatoetm4572 just imagine if if actually worked! that would be fun to try out.

They explained that the big one that hit the earth exploded and vaporized due to kinetic energy. What would cause the one in Russia to explode 30 km above the Earth? 0:24

@@carlwilliams6977 atmospheric resistance causes the asteroid to be under immense pressure and heat. Eventually, the heat is too much, and the rock breaks apart and vaporizes

Keep it up, man, it's been working so far.

You’ve got my vote

Same

I disagree.. Its a longer word

“Space crumbs”

All in favor?

It would be epic if everyone celebrates 2020 is finally over but a 800m asteroid hits their city, 2020 ends literally with a bang

I don’t..know if that would be epic ..

@@mediaworld5209 That would be fuckin scary lol

@@fridaycaliforniaa236 it would be very fast that you won't have any time to feel pain nor scared

@@Sora-lr8pm Yup actually =)

Most dinos died because of the aftermath of the impact.
Dusts covers the sky for a long long time, barely any sunlight, temperature drops, plants can't do photosynthesis then die.
It's like a slow torture to death. So... in a way, the ones that died due to being near the impact site is actually lucky.

Like the other guy said. The ones who died right away were sort of the lucky ones. They weren't really cooked alive in the way you're thinking. They died within seconds maybe even (milliseconds or micros seconds) of getting hit by the blast

Agreed!

Imagine what all the wild animals go trough every day.. being eaten alive, or starving to death

@@smilloww2095 that’s not nearly as worse as suffocating and burning to death?
Tf you on

Let me get this straight: You comment something that is unrelated to the fact that I have two DANGEROUSLY DASHING girlfriends? Considering that I am the unprettiest KRplusr ever, having two hot girlfriends is really incredible. Yet you did not mention that at all. I am quite disappointed, dear kan

@@AxxLAfriku Lmao, why am I kan?

@@capsey_ that’s your first question out of that whole comment? Lmaoooo

@@willmungas8964 Apparently they couldn't argue with the rest! 😆

@@capsey_ братан, я щас реально рад. Всё-таки есть Русские кроме меня, которые хорошо знают Английский.

-2020 has entered the chat

Sleep well

It’s a bird,
It’s a pl-

That's such an outdated point of view

@@xPsYchoMind please provide citations.

@@xPsYchoMind lol

@@Valsorayu read Marian Tupy, Bjorn Lomborg or really anything on the current state of the world, instead of eating up popular narratives. You can believe it or not, accept or reject the new information, that's not the point. At least you will broaden your horizons and will be less inclined to spew out cliched angsty philosophy of 2000s, like the op does.

There’s too many of us… that will be our downfall

stfu , you dont even care

Biden will destroy the earth with ease

@@elonmusk352 i agree with you!

@@ChristianJohnENunez salty boy

@@ChristianJohnENunez That literally doesnt surprise anyone lmfao

I thought there was mix of bit Aussie in the accent

Oh Hell Yeah. He is fascinating to listen to

@@vikranttyagiRN Definitely British, and from London.

Indeed.

He used france as an example of a country blowing up, of course he is brittish.

he is a true asteroid fan. Even cheering for the asteroids to make it though the atmosphere lol

Thought experiments are fun for people with brains...

I think he has just accepted how fucked we would be if a big asteroid hit earth...

That's the face of saying "it's much more likely to happen in YOUR lifetime than mine..."

Have u seen bill gTes talk about covid aka SARS

@@Farquad76.547 Because it's a ubiquitous object that just about everyone has seen multiple times in person. It's a lot easier to get a sense of how big something is in terms of a very familiar object than from just a number, even if the units aren't unfamiliar.

G'day,
One or two Skoolbusses ; one for regular Skooledkids, two if they be Speshul, like.
You DID Ask...
;-p
Ciao !

What's that in freedom unit's?
(Scratches head with gun)

A little offensive, but your probably correct. My default is metric and whenever talking to friends and family they tend to get really confused.

😂😂😂😂

web.archive.org/web/20201126223119/www.jhunewsletter.com/article/2020/11/a-closer-look-at-u-s-deaths-due-to-covid-19

@Sparkle Plenty Thank God you were here to explain.

@@vornamenachnahme58 Why bring covid into this?

@@vornamenachnahme58 Why give this link?

@@ParthibanPaulraj-ug4dz Hi

Lol

Hmm.. now i am prepared strong enough to face December 2020.

2020 : Are you challenging me?

Noooo

So basically...
Its 2020 final boss battle but we skipped all the tutorials and we are way under-leveled and under-geared.

the main problem is that the number of darts required increases exponentially with the radius of the roid

@@asparagusoffice it grows as r^2 and there is a ceiling to the size of asteroids (most of the biggest are around 1km), even for 1km (some of the biggest objects), 120km away traveling at 25km/s, with our max payload launch objects 141,000km (dart was only 610kg--half of a car!) if we could hit it at 60km/s (instead of darts 6km/s) It would take about 1256 collisions to move it the 6000km necessary to miss the earth (again for some of the BIGGEST out there). BUT if the collision is a glancing blow we may need half that much. MOST IMPORTANT POINT: the calculations above assume a straight shot (which is almost never the case; this would give us 20 days to get it done--impossible), but usually we have FAR more time because most collide not via straight shots, but via orbits which can be calculated years to decades in advance--this would decrease the number of collisions needed DRAMATICALLY (for every additional 120mil km we need half the number of collisions) So even for 1km size asteroid it theoretically could only take 12 dart-style mission if the collision is 120 BILLION km away AND we are are talking of an orbit that hits in > 5 years we may have 10s of QUADRILLIONS of km before collision (I'm ignoring tons of orbital dynamics which may make things easier). We could theoretically be talking about a SINGLE dart-mission (maybe with a bigger payload) if we know the collision happens within 10 years (not sure how far out they can track these) EVEN for the biggest, 1km objects out there. And as you say the mass grows as r^2, so one 0.2% the diameter requires 100X fewer collisions. This rough math shows the orders of magnitude works out. This should at least be discussed. Otherwise, why have a DART mission. Is NASA just throwing away money? Or do the experts disagree here? There's more to be said for sure.

Hastingly* (1 month left)

There are so many metal objects up there thousands of them

"arstoids"

Arecibo: collapses

@@fakename287 *Asteroids